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Kinetic: The PhyMath Quiz (Week 6)

This is going to be a weekly quiz on topics from Science and Mathematics. Every week, we will upload 5 questions. The answers to those questions will be uploaded in a week. You can try and answer them in the comments section and later match your answers with the correct ones. While answering questions, try and also mention your name, if not via an account, then at the end of your comment. Answers without names will be removed.

Set 5:

1) X, Y are two colours. X is the only colour that does not have its own wavelength (excluding white-which includes all wavelengths). But rather originates in the brain when colours of two different wavelengths enter the eye, but not as the colour that would have its wavelength as the average of the two. But as an entirely new colour originated by the mind due to neurological reasons.
Y is very rare for plants and animals to produce naturally through pigments. Rather, in most cases it is seen in them due to some physical modification (reflection, scattering etc) of the light falling on them and not occurring in them chemically/biologically.
X and Y are both related to Delhi metro. Identify them.
(Question by Deepanshu, I Physics)

2) In an attempt to make sense of the ‘almost’ symmetry of physical laws, Feynman suggests something rather unscientific. He speaks of a gate in Neiko, Japan which is considered by the Japanese to be the most beautiful gate in their country. The gate is an elaborate structure with beautiful carvings. Upon closer inspection of the intricate and complex carvings on one of the pillars, you’ll notice an ‘error’ in one of the small design elements. Otherwise, the entire structure is perfect. The story is that the error was purposely put there so the Gods would not be jealous of the gate’s perfection. Based on the context, what is this deliberate error?
(Question by Rahul, II Physics)

3) The 2013 Oscar-winning movie Gravity was praised by many for its ground breaking special effects and scientific accuracy. In the movie, the protagonist is repairing the Hubble Space telescope, when debris from a satellite causes the destruction of the Hubble and  their spaceship. To escape this, she travels to the International Space Station (1950 km away in orbit) using a Manned Maneuvering Unit (a jetpack-type thing). Some astronomers have pointed out scientific mistakes in the plot, saying that it would require geat luck or huge amount of fuel for this to happen.  What was the issue?
(Question by Rohit, II Physics)

4) SpaceX very recently became the first private company to launch people into orbit. In a fully broadcasted launch that took place from Florida, Crew Dragon Capsule will dock automatically into the docking port Harmony, with the help of sensors and cameras, on May 31, at 7:59 pm IST, if everything goes according to the plan. The equipment used by the company can be regarded as pretty high tech in most cases but the playful outrageousness crept it's way through the launch when about 10 minutes after the launch a plushie appeared in the NASA live feed of the Crew Dragon, where it was floating around the cabin of the spaceship. 

What was it's purpose on the spaceship?

(Question by Chaitanya, II Physics)

5) It's unique to you
If you try to chase it
You find it's not really there
You can't get over it
You can't get to the end of it.
Hint: It's related to Thor and the number 42.
(Paheli Question by Aklanta, I Physics)



Answers for Set 5:
1) X- IBM
2) X- Paul Dirac, Y- Approximation, Z- Lev Landau
3) X- Isaac Newton, Y- Albert Einstein
4) X- Flagship
5) X- Archimedes

Note: Anonymous comments will be deleted. If you want your questions featured here, send them via email to ssc.physics.journal.2019@gmail.com. 
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Comments

  1. DeepanshuMay 31, 2020 at 10:12 AM

    2) The engraving was carved assymetrical to all the other engravings on the pillars.

    ReplyDelete
  2. UnknownJune 1, 2020 at 9:54 PM

    4) To verify if the space ship still has a net acceleration or not/ if g=0.
    -Aklanta

    ReplyDelete
  3. Physics SocietyJune 29, 2020 at 10:25 AM

    1) X- Magenta, Y- Blue
    2) One of the small design elements has been carved upside down.
    3) The orbits of both are at different inclinations. So the only point when they could have made the jump is when the orbits cross each other which would require significant precision or great luck. At all other times, the distance would be too large to make the jump.
    4) It was kept as a Zero Gravity Detector.
    5) Rainbow

    ReplyDelete

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